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23888053 = 72326451
BaseRepresentation
bin101101100100…
…0000010110101
31122221122020201
41123020002311
522103404203
62212000501
7410021320
oct133100265
948848221
1023888053
11125364a2
128000131
134c45057
14325b7b7
15216ce1d
hex16c80b5

23888053 has 12 divisors (see below), whose sum is σ = 28543648. Its totient is φ = 19582200.

The previous prime is 23888047. The next prime is 23888063. The reversal of 23888053 is 35088832.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-23888053 is a prime.

It is a super-2 number, since 2×238880532 = 1141278152261618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23888063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478 + ... + 6928.

Almost surely, 223888053 is an apocalyptic number.

23888053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23888053 is a deficient number, since it is larger than the sum of its proper divisors (4655595).

23888053 is an equidigital number, since it uses as much as digits as its factorization.

23888053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504 (or 6481 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 23888053 is about 4887.5405880668. The cubic root of 23888053 is about 288.0007273966. Note that the first 3 decimals are identical.

The spelling of 23888053 in words is "twenty-three million, eight hundred eighty-eight thousand, fifty-three".

Divisors: 1 7 23 161 529 3703 6451 45157 148373 1038611 3412579 23888053